DK203587D0 - SENSOR ELEMENT FOR DETERMINATION OF SUBSTANCE CONCENTRATIONS - Google Patents

SENSOR ELEMENT FOR DETERMINATION OF SUBSTANCE CONCENTRATIONS

Info

Publication number
DK203587D0
DK203587D0 DK203587A DK203587A DK203587D0 DK 203587 D0 DK203587 D0 DK 203587D0 DK 203587 A DK203587 A DK 203587A DK 203587 A DK203587 A DK 203587A DK 203587 D0 DK203587 D0 DK 203587D0
Authority
DK
Denmark
Prior art keywords
indicator
determination
sensor element
layer
substance concentrations
Prior art date
Application number
DK203587A
Other languages
Danish (da)
Other versions
DK168414B1 (en
DK203587A (en
Inventor
Hellfried Karpf
Herbert Kroneis
Alfred Leitner
Helmut List
Hermann Marsoner
Otto S Wolfbeis
Original Assignee
Avl Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT0109486A external-priority patent/AT390330B/en
Priority claimed from AT0270786A external-priority patent/AT390678B/en
Application filed by Avl Ag filed Critical Avl Ag
Publication of DK203587D0 publication Critical patent/DK203587D0/en
Publication of DK203587A publication Critical patent/DK203587A/en
Application granted granted Critical
Publication of DK168414B1 publication Critical patent/DK168414B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N2021/1738—Optionally different kinds of measurements; Method being valid for different kinds of measurement
    • G01N2021/174—Optionally different kinds of measurements; Method being valid for different kinds of measurement either absorption-reflection or emission-fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7786—Fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/81—Indicating humidity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0621—Supply
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0622—Use of a compensation LED

Abstract

Because of the size of the devices for the excitation or measurement of light, conventional sensor elements for optical determination of the concentration of substances in gaseous and liquid probes, which have an indicator layer with at least one indicator substance are only conditionally suitable for microanalysis instruments, or cannot be produced simply by mass production. To circumvent these disadvantages, it is proposed that at least one photosensitive element (3) and its electrical contact are integrated in a planar arrangement on the carrier layer (1), and that the indicator substance (7, 7') of the indicator layer (6), which is excited by the exciting radiation (11) is in optical contact with the photosensitive elements (3). <IMAGE>
DK203587A 1986-04-23 1987-04-22 Sensor element for determining drug concentrations DK168414B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT0109486A AT390330B (en) 1986-04-23 1986-04-23 Sensor element for determining concentrations of substances
AT109486 1986-04-23
AT270786 1986-10-10
AT0270786A AT390678B (en) 1986-10-10 1986-10-10 Sensor element for determining concentrations of materials

Publications (3)

Publication Number Publication Date
DK203587D0 true DK203587D0 (en) 1987-04-22
DK203587A DK203587A (en) 1987-10-24
DK168414B1 DK168414B1 (en) 1994-03-21

Family

ID=25594874

Family Applications (1)

Application Number Title Priority Date Filing Date
DK203587A DK168414B1 (en) 1986-04-23 1987-04-22 Sensor element for determining drug concentrations

Country Status (6)

Country Link
US (2) US5039490A (en)
EP (1) EP0244394B1 (en)
JP (1) JPH0643965B2 (en)
AT (1) ATE77483T1 (en)
DE (1) DE3779807D1 (en)
DK (1) DK168414B1 (en)

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Also Published As

Publication number Publication date
JPH0643965B2 (en) 1994-06-08
DK168414B1 (en) 1994-03-21
EP0244394A2 (en) 1987-11-04
EP0244394A3 (en) 1989-04-19
ATE77483T1 (en) 1992-07-15
DK203587A (en) 1987-10-24
EP0244394B1 (en) 1992-06-17
JPS62261036A (en) 1987-11-13
US5039490A (en) 1991-08-13
US5157262A (en) 1992-10-20
DE3779807D1 (en) 1992-07-23

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